CN1767009B - 垂直磁记录介质 - Google Patents

垂直磁记录介质 Download PDF

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Publication number
CN1767009B
CN1767009B CN200510092480XA CN200510092480A CN1767009B CN 1767009 B CN1767009 B CN 1767009B CN 200510092480X A CN200510092480X A CN 200510092480XA CN 200510092480 A CN200510092480 A CN 200510092480A CN 1767009 B CN1767009 B CN 1767009B
Authority
CN
China
Prior art keywords
magnetic recording
layer
recording medium
grain boundary
perpendicular magnetic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN200510092480XA
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English (en)
Chinese (zh)
Other versions
CN1767009A (zh
Inventor
高桥由夫
中村敦
细江让
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HGST Netherlands BV
Original Assignee
Hitachi Global Storage Technologies Netherlands BV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Global Storage Technologies Netherlands BV filed Critical Hitachi Global Storage Technologies Netherlands BV
Publication of CN1767009A publication Critical patent/CN1767009A/zh
Application granted granted Critical
Publication of CN1767009B publication Critical patent/CN1767009B/zh
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62—Record carriers characterised by the selection of the material
    • G11B5/64—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent
    • G11B5/65—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent characterised by its composition
    • G11B5/658—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent characterised by its composition containing oxygen, e.g. molecular oxygen or magnetic oxide
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62—Record carriers characterised by the selection of the material

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  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Magnetic Record Carriers (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Thin Magnetic Films (AREA)
CN200510092480XA 2004-10-27 2005-08-23 垂直磁记录介质 Expired - Fee Related CN1767009B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2004-311733 2004-10-27
JP2004311733 2004-10-27
JP2004311733A JP2006127588A (ja) 2004-10-27 2004-10-27 垂直磁気記録媒体

Publications (2)

Publication Number Publication Date
CN1767009A CN1767009A (zh) 2006-05-03
CN1767009B true CN1767009B (zh) 2010-05-26

Family

ID=34940331

Family Applications (1)

Application Number Title Priority Date Filing Date
CN200510092480XA Expired - Fee Related CN1767009B (zh) 2004-10-27 2005-08-23 垂直磁记录介质

Country Status (7)

Country Link
US (1) US7799447B2 (ko)
EP (1) EP1653451B1 (ko)
JP (1) JP2006127588A (ko)
KR (1) KR20060054100A (ko)
CN (1) CN1767009B (ko)
DE (1) DE602005010364D1 (ko)
TW (1) TW200617901A (ko)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005332474A (ja) * 2004-05-19 2005-12-02 Hitachi Global Storage Technologies Netherlands Bv 熱アシスト磁気記録装置
US7203607B2 (en) * 2004-11-12 2007-04-10 Hitachi Global Storage Technologies System and method for determining intergranular exchange in perpendicular recording media
KR100738105B1 (ko) * 2006-02-09 2007-07-12 삼성전자주식회사 확산 방지층이 삽입된 연자성 하지층을 포함하는 수직 자기기록 매체
KR100803217B1 (ko) * 2006-10-04 2008-02-14 삼성전자주식회사 자기기록매체 및 그 제조방법
JP2008123603A (ja) * 2006-11-10 2008-05-29 Hitachi Global Storage Technologies Netherlands Bv 垂直磁気記録媒体およびその製造方法
JP2009116930A (ja) * 2007-11-02 2009-05-28 Hitachi Global Storage Technologies Netherlands Bv 垂直磁気記録媒体およびそれを用いた磁気記録再生装置
US8673463B2 (en) * 2008-09-02 2014-03-18 Seagate Technology Llc Method to synthesize ordered magnetic alloys at low temperature
JP5178451B2 (ja) * 2008-10-21 2013-04-10 昭和電工株式会社 磁気記憶媒体製造方法
US8722214B2 (en) 2008-12-22 2014-05-13 Seagate Technology Llc Hybrid grain boundary additives in granular media
US8268462B2 (en) * 2008-12-22 2012-09-18 Seagate Technology Llc Hybrid grain boundary additives
JP5353328B2 (ja) * 2009-03-12 2013-11-27 ダイキン工業株式会社 ヒートポンプ式給湯機
KR101094456B1 (ko) * 2009-11-30 2011-12-15 고려대학교 산학협력단 수직 자기 기록 매체 및 그 제조 방법
MY149640A (en) * 2009-12-11 2013-09-13 Jx Nippon Mining & Metals Corp Sputtering target comprising oxide phase dispersed in co or co alloy phase, magnetic thin film made of co or co alloy phase and oxide phase, and magnetic recording medium using the said thin film
JP5177256B2 (ja) * 2011-06-03 2013-04-03 富士電機株式会社 垂直磁気記録媒体およびその製造方法
US8614862B1 (en) * 2012-12-21 2013-12-24 HGST Netherlands B.V. Perpendicular magnetic recording media having a cap layer above a granular layer
JP6399515B2 (ja) * 2014-11-26 2018-10-03 昭和電工株式会社 垂直磁気記録媒体及び磁気記録再生装置
US11605499B2 (en) * 2017-08-18 2023-03-14 3M Innovative Properties Company Magnetic film
US10283701B1 (en) * 2017-11-20 2019-05-07 Samsung Electronics Co., Ltd. Method and system for providing a boron-free magnetic layer in perpendicular magnetic junctions
SG11202009585QA (en) * 2018-03-28 2020-10-29 Jx Nippon Mining & Metals Corp Perpendicular magnetic recording medium
US11948614B2 (en) 2022-02-21 2024-04-02 Seagate Technology Llc Methods of manufacturing at least a portion of a magnetic layer of a magnetic recording disk, and related magnetic recording disks

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6153297A (en) * 1995-03-08 2000-11-28 Migaku Takahashi Magnetic recording medium and method of manufacturing the same
US6709768B2 (en) * 2001-11-29 2004-03-23 Hitachi Global Storage Technologies Japan, Ltd. Magnetic recording medium and its manufacturing method and magnetic recording system using such a magnetic recording medium

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6057523A (ja) * 1983-09-07 1985-04-03 Seiko Epson Corp 垂直磁気記録媒体
JP3786453B2 (ja) 1994-07-11 2006-06-14 株式会社東芝 磁気記録媒体および磁気記録再生装置
US5652054A (en) 1994-07-11 1997-07-29 Kabushiki Kaisha Toshiba Magnetic recording media having a magnetic thin film made of magnetic metals grains and nonmagnetic matrix
JPH1079307A (ja) 1996-09-03 1998-03-24 Hitachi Ltd 磁気記録媒体及び磁気記録再生装置
JP3141109B2 (ja) 1999-04-19 2001-03-05 東北大学長 磁気記録媒体及び磁気記録媒体の製造方法
US6524730B1 (en) * 1999-11-19 2003-02-25 Seagate Technology, Llc NiFe-containing soft magnetic layer design for multilayer media
US7056606B2 (en) * 2001-02-28 2006-06-06 Showa Denko K.K. Magnetic recording medium, method manufacture therefor, and apparatus for magnetic reproducing and reproducing recordings
JP2002358615A (ja) 2001-02-28 2002-12-13 Showa Denko Kk 磁気記録媒体、その製造方法、および磁気記録再生装置
JP4582978B2 (ja) 2001-12-07 2010-11-17 富士電機デバイステクノロジー株式会社 垂直磁気記録媒体の製造方法
JP3773104B2 (ja) * 2001-12-11 2006-05-10 富士電機デバイステクノロジー株式会社 磁気記録媒体およびその製造方法
JP2004063054A (ja) 2002-07-31 2004-02-26 Hitachi Maxell Ltd 磁気記録媒体および磁気記録装置
US7429427B2 (en) * 2004-12-06 2008-09-30 Seagate Technology Llc Granular magnetic recording media with improved grain segregation and corrosion resistance

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6153297A (en) * 1995-03-08 2000-11-28 Migaku Takahashi Magnetic recording medium and method of manufacturing the same
US6709768B2 (en) * 2001-11-29 2004-03-23 Hitachi Global Storage Technologies Japan, Ltd. Magnetic recording medium and its manufacturing method and magnetic recording system using such a magnetic recording medium

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
US2004／0191576A1 2004.09.30

Also Published As

Publication number Publication date
US7799447B2 (en) 2010-09-21
JP2006127588A (ja) 2006-05-18
US20060088733A1 (en) 2006-04-27
TW200617901A (en) 2006-06-01
KR20060054100A (ko) 2006-05-22
DE602005010364D1 (de) 2008-11-27
CN1767009A (zh) 2006-05-03
EP1653451B1 (en) 2008-10-15
EP1653451A1 (en) 2006-05-03

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Granted publication date: 20100526

Termination date: 20100823